package com.zhai.netty.book.chapter04.time;

import org.apache.log4j.Logger;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;

public class TimeClientHandler extends ChannelHandlerAdapter{
	
	private static final Logger logger = Logger.getLogger(TimeClientHandler.class.getName());
	
	private int counter;
	
	private byte[] req;
	
	private final ByteBuf firstMessage;
	
	public TimeClientHandler(){
		req = ("QUERY TIME ORDER"+ System.getProperty("line.separator")).getBytes();
		firstMessage = Unpooled.buffer(req.length);
		firstMessage.writeBytes(req);
	}
	
	@Override
	public void channelActive(ChannelHandlerContext ctx) throws Exception {
		ByteBuf message = null;
		for(int i =0 ;i<100;i++){
			message  = Unpooled.buffer(req.length);
			message.writeBytes(req);
			ctx.writeAndFlush(message);
		}
		
	}
	
	@Override
	public void channelRead(ChannelHandlerContext ctx, Object msg)
			throws Exception {
		ByteBuf buf = (ByteBuf) msg;
		byte[] req = new byte[buf.readableBytes()];
		buf.readBytes(req);
		String body = new String(req,"UTF-8");
		System.out.println("Now body is:"+body
				+" ; the current is : "+ ++counter);
	}
	
	@Override
	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
			throws Exception {
		logger.warn("系统异常"+cause.getMessage());
		ctx.close();
	}
}
